public class People {
    int height;
    String ear;
    void speak(String s) {
      System.out.println(s);
    }
}
class A { 
  public static void main(String args[]) {
    People zhubajie;
    zhubajie = new People();
    zhubajie.height = 170;
    zhubajie.ear ="two ";
    System.out.println("height"+zhubajie.height);
    System.out.println(zhubajie.ear);
    zhubajie.speak("shifu,let's go to the moon");
    }
}
    
